《英文msh詞典》Extraction,Obstetrical Vacuum
[入口詞] Extraction,Obstetrical Vacuum
[主題詞] Vacuum Extraction,Obstetrical
[英文釋義] Removal of the fetus from the uterus or vagina at or near the end of pregnancy with a metal traction cup that is attached to the fetus' head. Negative pressure is applied and traction is made on a chain passed through the suction tube. (From Stedman,26th ed & Dorland,28th ed)